Web Definitions:

(erotica) pornography: creative activity (writing or pictures or films etc.) of no literary or artistic value other than to stimulate sexual desire

(eroticism) a state of anticipation of sexuality

"Erotica" is the lead single from American singer-songwriter Madonna's fifth studio album, Erotica (1992). The single was released in October 1992 by Maverick Records, and later included on her greatest hits albums GHV2 (2001) and Celebration (2009). ...

Erotica (from the Greek Eros—"desire") or "curiosa", are works of art, including literature, photography, film, sculpture and painting, that deal substantively with erotically stimulating or sexually arousing descriptions. ...

Relating to or tending to arouse sexual desire or excitement

(erotica) Erotic literature or art; Sexual images or objects

(Erotica) A tastefully written sexual story - the difference between this and a PWP lays in the style of writing and language, but the line can be thin.

(Erotica) Pornography for people who wouldn’t dare steep so low as to use pornography.

(Erotica) Tasteful fan fiction which involves characters in sexual situations. The difference between erotic and outright pornography is mainly in the intent of both writer and reader. The line between erotica and pornography is a fine one and easily blurred. ...